16.519 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) 1.0)
0.014 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.015 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.015 * [simplify]: Simplified to:
   (+ (* x x) 1.0)
0.015 * * [progress]: iteration 1 / 4
0.015 * * * [progress]: picking best candidate
0.016 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) 1.0))>
0.016 * * * [progress]: localizing error
0.019 * * * [progress]: generating rewritten candidates
0.019 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.023 * * * [progress]: generating series expansions
0.023 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.023 * [approximate]: Taking taylor expansion of (+ (pow x 2) 1.0) in (x) around 0
0.023 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.023 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.023 * [taylor]: Taking taylor expansion of 1.0 in x
0.023 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.023 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.023 * [taylor]: Taking taylor expansion of 1.0 in x
0.029 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.029 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.029 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.030 * [taylor]: Taking taylor expansion of 1.0 in x
0.030 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.030 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.030 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.030 * [taylor]: Taking taylor expansion of x in x
0.030 * [taylor]: Taking taylor expansion of 1.0 in x
0.041 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.041 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.041 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.042 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.053 * * * [progress]: simplifying candidates
0.053 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x x)) (exp 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (* (* (+ (* x x) 1.0) (+ (* x x) 1.0)) (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (- (* x x) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.056 * * [simplify]: iteration  0 :  81  enodes  (cost  57 )
0.058 * * [simplify]: iteration  1 :  284  enodes  (cost  50 )
0.062 * * [simplify]: iteration  2 :  688  enodes  (cost  50 )
0.076 * * [simplify]: iteration  3 :  2506  enodes  (cost  50 )
0.143 * * [simplify]: iteration  4 :  5001  enodes  (cost  50 )
0.144 * [simplify]: Simplified to:
   (exp (+ (* x x) 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (pow (+ (pow x 2) 1.0) 3)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (- (* 1.0 1.0) (- (* (* x x) 1.0) (pow x 4)))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (- (* x x) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.144 * * * [progress]: adding candidates to table
0.166 * * [progress]: iteration 2 / 4
0.166 * * * [progress]: picking best candidate
0.170 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))>
0.170 * * * [progress]: localizing error
0.178 * * * [progress]: generating rewritten candidates
0.178 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.191 * * * [progress]: generating series expansions
0.191 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.192 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in (x) around 0
0.192 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in x
0.192 * [taylor]: Taking taylor expansion of (- (pow x 4) 1.0) in x
0.192 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of 1.0 in x
0.192 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.192 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of 1.0 in x
0.195 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in x
0.195 * [taylor]: Taking taylor expansion of (- (pow x 4) 1.0) in x
0.195 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [taylor]: Taking taylor expansion of 1.0 in x
0.195 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.195 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [taylor]: Taking taylor expansion of 1.0 in x
0.223 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.223 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.224 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.224 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of 1.0 in x
0.224 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of 1.0 in x
0.226 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.226 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.226 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of 1.0 in x
0.226 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.226 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of 1.0 in x
0.273 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.273 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.273 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.273 * [taylor]: Taking taylor expansion of 1.0 in x
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of 1.0 in x
0.275 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.275 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.275 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.275 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of 1.0 in x
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.276 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of 1.0 in x
0.320 * * * [progress]: simplifying candidates
0.321 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (neg (* 1.0 1.0)) (pow x 4))) (log (- (* x x) 1.0)))
  (log (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (exp (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (/ (* (* (+ (neg (* 1.0 1.0)) (pow x 4)) (+ (neg (* 1.0 1.0)) (pow x 4))) (+ (neg (* 1.0 1.0)) (pow x 4))) (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0)))
  (* (cbrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))) (cbrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))))
  (cbrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (* (* (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))) (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (sqrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (sqrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (neg (+ (neg (* 1.0 1.0)) (pow x 4)))
  (neg (- (* x x) 1.0))
  (/ 0 (- (* x x) 1.0))
  (/ (- (* 1.0 1.0) (pow x 4)) (- (* x x) 1.0))
  (/ (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4)))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4)))) (sqrt (- (* x x) 1.0)))
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4)))) 1)
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4)))) (+ x (sqrt 1.0)))
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) 1)
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (+ x (sqrt 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (/ 1 1)
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (/ 1 1)
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (- (* x x) 1.0))
  (/ (- (* x x) 1.0) (+ (neg (* 1.0 1.0)) (pow x 4)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) 1)
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (+ x (sqrt 1.0)))
  (/ (- (* x x) 1.0) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (+ (neg (* 1.0 1.0)) (pow x 4)))
  (/ (- (* x x) 1.0) (+ (neg (* 1.0 1.0)) (pow x 4)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (pow (* x x) 3) (pow 1.0 3)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* (* x x) (* x x)) (* 1.0 1.0)))
  (* (- (* x x) 1.0) (+ (* (neg (* 1.0 1.0)) (neg (* 1.0 1.0))) (- (* (pow x 4) (pow x 4)) (* (neg (* 1.0 1.0)) (pow x 4)))))
  (* (- (* x x) 1.0) (- (neg (* 1.0 1.0)) (pow x 4)))
  (+ (* 1.0 (pow x 2)) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.326 * * [simplify]: iteration  0 :  216  enodes  (cost  494 )
0.331 * * [simplify]: iteration  1 :  989  enodes  (cost  452 )
0.352 * * [simplify]: iteration  2 :  5002  enodes  (cost  444 )
0.355 * [simplify]: Simplified to:
   (log (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (log (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (exp (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (pow (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) 3)
  (* (cbrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))) (cbrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))))
  (cbrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (pow (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) 3)
  (sqrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (sqrt (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (- (* 1.0 1.0) (pow x 4))
  (neg (- (* x x) 1.0))
  0
  (/ (- (* 1.0 1.0) (pow x 4)) (- (* x x) 1.0))
  (/ (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4)))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4)))) (sqrt (- (* x x) 1.0)))
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))))
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4)))) (+ x (sqrt 1.0)))
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (sqrt (+ (neg (* 1.0 1.0)) (pow x 4)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (+ x (sqrt 1.0)))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  1
  (/ (+ (pow x 2) 1.0) 1)
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  1
  (/ (+ (pow x 2) 1.0) 1)
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (- (* x x) 1.0))
  (/ (- (* x x) 1.0) (+ (neg (* 1.0 1.0)) (pow x 4)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (+ x (sqrt 1.0)))
  (/ (- (* x x) 1.0) (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (+ (neg (* 1.0 1.0)) (pow x 4)))
  (/ (- (* x x) 1.0) (+ (neg (* 1.0 1.0)) (pow x 4)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (pow (* x x) 3) (pow 1.0 3)))
  1
  (* (- (+ (* (* 1.0 1.0) (* 1.0 1.0)) (pow x 8)) (* (neg (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (* (- (* x x) 1.0) (- (neg (* 1.0 1.0)) (pow x 4)))
  (+ (* 1.0 (pow x 2)) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.355 * * * [progress]: adding candidates to table
0.427 * * [progress]: iteration 3 / 4
0.427 * * * [progress]: picking best candidate
0.429 * * * * [pick]: Picked  #<alt (λ (x) (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))>
0.429 * * * [progress]: localizing error
0.438 * * * [progress]: generating rewritten candidates
0.438 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.453 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.462 * * * [progress]: generating series expansions
0.462 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.463 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in (x) around 0
0.463 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in x
0.463 * [taylor]: Taking taylor expansion of (- (pow x 4) 1.0) in x
0.463 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.463 * [taylor]: Taking taylor expansion of x in x
0.463 * [taylor]: Taking taylor expansion of 1.0 in x
0.463 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.463 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.463 * [taylor]: Taking taylor expansion of x in x
0.463 * [taylor]: Taking taylor expansion of 1.0 in x
0.466 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in x
0.466 * [taylor]: Taking taylor expansion of (- (pow x 4) 1.0) in x
0.466 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.466 * [taylor]: Taking taylor expansion of x in x
0.466 * [taylor]: Taking taylor expansion of 1.0 in x
0.466 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.466 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.466 * [taylor]: Taking taylor expansion of x in x
0.466 * [taylor]: Taking taylor expansion of 1.0 in x
0.498 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.498 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.498 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.498 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.498 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.498 * [taylor]: Taking taylor expansion of x in x
0.499 * [taylor]: Taking taylor expansion of 1.0 in x
0.499 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.499 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.499 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.499 * [taylor]: Taking taylor expansion of x in x
0.499 * [taylor]: Taking taylor expansion of 1.0 in x
0.500 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.500 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.500 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.500 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.500 * [taylor]: Taking taylor expansion of x in x
0.501 * [taylor]: Taking taylor expansion of 1.0 in x
0.501 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.501 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.501 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.501 * [taylor]: Taking taylor expansion of x in x
0.501 * [taylor]: Taking taylor expansion of 1.0 in x
0.543 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.543 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.543 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.543 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.543 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.543 * [taylor]: Taking taylor expansion of x in x
0.544 * [taylor]: Taking taylor expansion of 1.0 in x
0.544 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.544 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.544 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.544 * [taylor]: Taking taylor expansion of x in x
0.544 * [taylor]: Taking taylor expansion of 1.0 in x
0.545 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.545 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.545 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.545 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.545 * [taylor]: Taking taylor expansion of x in x
0.546 * [taylor]: Taking taylor expansion of 1.0 in x
0.546 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.546 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.546 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.546 * [taylor]: Taking taylor expansion of x in x
0.546 * [taylor]: Taking taylor expansion of 1.0 in x
0.589 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.590 * [approximate]: Taking taylor expansion of (/ 1 (- (pow x 2) 1.0)) in (x) around 0
0.590 * [taylor]: Taking taylor expansion of (/ 1 (- (pow x 2) 1.0)) in x
0.590 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.590 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.590 * [taylor]: Taking taylor expansion of x in x
0.590 * [taylor]: Taking taylor expansion of 1.0 in x
0.591 * [taylor]: Taking taylor expansion of (/ 1 (- (pow x 2) 1.0)) in x
0.591 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.591 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.591 * [taylor]: Taking taylor expansion of x in x
0.591 * [taylor]: Taking taylor expansion of 1.0 in x
0.604 * [approximate]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.604 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) 1.0)) in x
0.604 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.604 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.604 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.604 * [taylor]: Taking taylor expansion of x in x
0.604 * [taylor]: Taking taylor expansion of 1.0 in x
0.605 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) 1.0)) in x
0.605 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.605 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.605 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.605 * [taylor]: Taking taylor expansion of x in x
0.605 * [taylor]: Taking taylor expansion of 1.0 in x
0.618 * [approximate]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.618 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) 1.0)) in x
0.618 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.618 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.618 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.618 * [taylor]: Taking taylor expansion of x in x
0.619 * [taylor]: Taking taylor expansion of 1.0 in x
0.619 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) 1.0)) in x
0.619 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.619 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.619 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.620 * [taylor]: Taking taylor expansion of x in x
0.620 * [taylor]: Taking taylor expansion of 1.0 in x
0.635 * * * [progress]: simplifying candidates
0.636 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))
  (+ (log (+ (neg (* 1.0 1.0)) (pow x 4))) (neg (log (- (* x x) 1.0))))
  (+ (log (+ (neg (* 1.0 1.0)) (pow x 4))) (- 0 (log (- (* x x) 1.0))))
  (+ (log (+ (neg (* 1.0 1.0)) (pow x 4))) (- (log 1) (log (- (* x x) 1.0))))
  (+ (log (+ (neg (* 1.0 1.0)) (pow x 4))) (log (/ 1 (- (* x x) 1.0))))
  (log (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (exp (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (* (* (* (+ (neg (* 1.0 1.0)) (pow x 4)) (+ (neg (* 1.0 1.0)) (pow x 4))) (+ (neg (* 1.0 1.0)) (pow x 4))) (/ (* (* 1 1) 1) (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0))))
  (* (* (* (+ (neg (* 1.0 1.0)) (pow x 4)) (+ (neg (* 1.0 1.0)) (pow x 4))) (+ (neg (* 1.0 1.0)) (pow x 4))) (* (* (/ 1 (- (* x x) 1.0)) (/ 1 (- (* x x) 1.0))) (/ 1 (- (* x x) 1.0))))
  (* (cbrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))) (cbrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))))
  (cbrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (* (* (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))) (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))) (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (sqrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (sqrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (* (+ (pow (neg (* 1.0 1.0)) 3) (pow (pow x 4) 3)) 1)
  (* (+ (* (neg (* 1.0 1.0)) (neg (* 1.0 1.0))) (- (* (pow x 4) (pow x 4)) (* (neg (* 1.0 1.0)) (pow x 4)))) (- (* x x) 1.0))
  (* (- (* (neg (* 1.0 1.0)) (neg (* 1.0 1.0))) (* (pow x 4) (pow x 4))) 1)
  (* (- (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (/ 1 (- (* x x) 1.0))))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (/ 1 (- (* x x) 1.0))))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (/ (sqrt 1) (sqrt (- (* x x) 1.0))))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (/ (sqrt 1) (sqrt (- (* x x) 1.0))))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (/ 1 (sqrt (- (* x x) 1.0))))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (/ 1 (sqrt (- (* x x) 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (* (cbrt (/ 1 (- (* x x) 1.0))) (cbrt (/ 1 (- (* x x) 1.0)))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (/ 1 (- (* x x) 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (* x x) 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (* (cbrt 1) (cbrt 1)) (+ x (sqrt 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (sqrt 1) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (sqrt 1) (sqrt (- (* x x) 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (sqrt 1) 1))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ (sqrt 1) (+ x (sqrt 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (sqrt (- (* x x) 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 1))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (+ x (sqrt 1.0))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) 1)
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) 1)
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (pow (* x x) 3) (pow 1.0 3))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (* (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (/ 1 (- (* x x) 1.0)))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (/ 1 (- (* x x) 1.0)))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) 1)
  (* (+ (pow (neg (* 1.0 1.0)) 3) (pow (pow x 4) 3)) (/ 1 (- (* x x) 1.0)))
  (* (- (* (neg (* 1.0 1.0)) (neg (* 1.0 1.0))) (* (pow x 4) (pow x 4))) (/ 1 (- (* x x) 1.0)))
  (neg 1)
  (neg (log (- (* x x) 1.0)))
  (- 0 (log (- (* x x) 1.0)))
  (- (log 1) (log (- (* x x) 1.0)))
  (log (/ 1 (- (* x x) 1.0)))
  (exp (/ 1 (- (* x x) 1.0)))
  (/ (* (* 1 1) 1) (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0)))
  (* (cbrt (/ 1 (- (* x x) 1.0))) (cbrt (/ 1 (- (* x x) 1.0))))
  (cbrt (/ 1 (- (* x x) 1.0)))
  (* (* (/ 1 (- (* x x) 1.0)) (/ 1 (- (* x x) 1.0))) (/ 1 (- (* x x) 1.0)))
  (sqrt (/ 1 (- (* x x) 1.0)))
  (sqrt (/ 1 (- (* x x) 1.0)))
  (neg 1)
  (neg (- (* x x) 1.0))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (cbrt 1) (cbrt (- (* x x) 1.0)))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (* x x) 1.0)))
  (/ (cbrt 1) (sqrt (- (* x x) 1.0)))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (- (* x x) 1.0))
  (/ (* (cbrt 1) (cbrt 1)) (+ x (sqrt 1.0)))
  (/ (cbrt 1) (- x (sqrt 1.0)))
  (/ (sqrt 1) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (sqrt 1) (cbrt (- (* x x) 1.0)))
  (/ (sqrt 1) (sqrt (- (* x x) 1.0)))
  (/ (sqrt 1) (sqrt (- (* x x) 1.0)))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (- (* x x) 1.0))
  (/ (sqrt 1) (+ x (sqrt 1.0)))
  (/ (sqrt 1) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ 1 (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ 1 1)
  (/ 1 (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ 1 (- x (sqrt 1.0)))
  (/ 1 (- (* x x) 1.0))
  (/ (- (* x x) 1.0) 1)
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ 1 1)
  (/ 1 (+ x (sqrt 1.0)))
  (/ (- (* x x) 1.0) (cbrt 1))
  (/ (- (* x x) 1.0) (sqrt 1))
  (/ (- (* x x) 1.0) 1)
  (/ 1 (- (pow (* x x) 3) (pow 1.0 3)))
  (/ 1 (- (* (* x x) (* x x)) (* 1.0 1.0)))
  (+ (* 1.0 (pow x 2)) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (neg (+ (* 1.0 (pow x 2)) (+ (* 1.0 (pow x 4)) 1.0)))
  (+ (* 1.0 (/ 1 (pow x 6))) (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 (pow x 4)))))
  (+ (* 1.0 (/ 1 (pow x 6))) (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 (pow x 4)))))
0.642 * * [simplify]: iteration  0 :  377  enodes  (cost  749 )
0.651 * * [simplify]: iteration  1 :  2220  enodes  (cost  646 )
0.698 * * [simplify]: iteration  2 :  5001  enodes  (cost  612 )
0.701 * [simplify]: Simplified to:
   (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (- (log (+ (neg (* 1.0 1.0)) (pow x 4))) (log (- (* x x) 1.0)))
  (- (log (+ (neg (* 1.0 1.0)) (pow x 4))) (log (- (* x x) 1.0)))
  (- (log (+ (neg (* 1.0 1.0)) (pow x 4))) (log (- (* x x) 1.0)))
  (- (log (+ (neg (* 1.0 1.0)) (pow x 4))) (log (- (* x x) 1.0)))
  (- (log (+ (neg (* 1.0 1.0)) (pow x 4))) (log (- (* x x) 1.0)))
  (exp (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (pow (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) 3)
  (pow (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) 3)
  (* (cbrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))) (cbrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0)))))
  (cbrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (pow (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) 3)
  (sqrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (sqrt (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))
  (- (pow (pow x 4) 3) (pow (* 1.0 1.0) 3))
  (* (+ (+ (* (* 1.0 1.0) (* 1.0 1.0)) (pow x 8)) (* (* 1.0 1.0) (pow x 4))) (- (* x x) 1.0))
  (+ (neg (pow x 8)) (* (pow 1.0 3) 1.0))
  (* (- (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (/ 1 (- (* x x) 1.0))))
  (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (sqrt (/ 1 (- (* x x) 1.0))))
  (/ (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) 1) (sqrt (- (* x x) 1.0)))
  (/ (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) 1) (sqrt (- (* x x) 1.0)))
  (/ (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) 1) (sqrt (- (* x x) 1.0)))
  (/ (* (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) 1) (sqrt (- (* x x) 1.0)))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (* (cbrt (/ 1 (- (* x x) 1.0))) (cbrt (/ 1 (- (* x x) 1.0)))))
  (* (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (/ 1 (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (+ x (sqrt 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (+ x (sqrt 1.0)))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (+ x (sqrt 1.0)))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (pow (* x x) 3) (pow 1.0 3)))
  1
  (/ (cbrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (sqrt (+ (neg (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (/ (+ (neg (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (+ (neg (* 1.0 1.0)) (pow x 4))
  (/ (+ (pow (neg (* 1.0 1.0)) 3) (pow (pow x 4) 3)) (- (* x x) 1.0))
  (/ (+ (* (* 1.0 1.0) (* 1.0 1.0)) (neg (pow x 8))) (- (* x x) 1.0))
  -1
  (log (/ 1 (- (* x x) 1.0)))
  (log (/ 1 (- (* x x) 1.0)))
  (log (/ 1 (- (* x x) 1.0)))
  (log (/ 1 (- (* x x) 1.0)))
  (exp (/ 1 (- (* x x) 1.0)))
  (/ 1 (pow (- (* x x) 1.0) 3))
  (* (cbrt (/ 1 (- (* x x) 1.0))) (cbrt (/ 1 (- (* x x) 1.0))))
  (cbrt (/ 1 (- (* x x) 1.0)))
  (/ 1 (pow (- (* x x) 1.0) 3))
  (sqrt (/ 1 (- (* x x) 1.0)))
  (sqrt (/ 1 (- (* x x) 1.0)))
  -1
  (neg (- (* x x) 1.0))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ 1 (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  1
  (/ 1 (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ 1 (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ 1 (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  1
  (/ 1 (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ 1 (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ 1 (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  1
  (/ 1 (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ 1 (- x (sqrt 1.0)))
  (/ 1 (- (* x x) 1.0))
  (- (* x x) 1.0)
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ 1 (sqrt (- (* x x) 1.0)))
  1
  (/ 1 (+ x (sqrt 1.0)))
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (/ 1 (- (pow (* x x) 3) (pow 1.0 3)))
  (/ 1 (+ (neg (* 1.0 1.0)) (pow x 4)))
  (+ (* 1.0 (pow x 2)) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (neg (+ (* 1.0 (pow x 2)) (+ (* 1.0 (pow x 4)) 1.0)))
  (+ (/ 1.0 (pow x 4)) (+ (* 1.0 (/ 1 (pow x 6))) (/ 1 (pow x 2))))
  (+ (/ 1.0 (pow x 4)) (+ (* 1.0 (/ 1 (pow x 6))) (/ 1 (pow x 2))))
0.702 * * * [progress]: adding candidates to table
0.844 * [progress]: [Phase 3 of 3] Extracting.
0.844 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.844 * * * [regime-changes]: Trying 3 branch expressions: ((* x x) (+ (* x x) 1.0) x)
0.844 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.863 * * * * [regimes]: Trying to branch on (+ (* x x) 1.0) from (#<alt (λ (x) (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.875 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* (+ (neg (* 1.0 1.0)) (pow x 4)) (/ 1 (- (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.884 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.884 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) 1.0)
0.885 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.885 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.885 * [simplify]: Simplified to:
   (+ (* x x) 1.0)
1.241 * [regime-testing]: Baseline error score: 0.0010001250156269534
1.242 * [regime-testing]: Oracle error score: 0.00037504688086010754
1.243 * [regime-testing]: End program error score: 0.0010001250156269534